Question 1

Name the pure substance made up of one kind of atoms

Accepted Answer

element

Answer

compound

Answer

homogeneous mixture

Answer

heterogeneous mixture

Question 2

Carbon dioxide is an element or compound

Accepted Answer

compound

Answer

Element

Answer

homogeneous mixture

Answer

heterogeneous mixture

Question 3

pure water is a compound whereas tap water is a

Accepted Answer

mixture

Answer

atom

Answer

compound

Answer

element

Question 4

The process by which salt and water can be separated

Accepted Answer

evaporation

Answer

sedimentation

Answer

chromatography

Answer

filtration

Question 5

The process used o separate iodine crystals from common salt

Accepted Answer

sublimation

Answer

sedimentation

Answer

crystallization

Answer

filtration

Question 6

The process of separating the components of ink

Accepted Answer

chromatography

Answer

distillation

Answer

centrifugation

Answer

filtration

Question 7

copper sulphate in water is a----

Accepted Answer

homogeneous mixture

Answer

heterogeneous mixture

Answer

compound

Answer

element

Question 8

name the process used to pour the upper supernatent liquid after sedimentation

Accepted Answer

decantation

Answer

filtration

Answer

sedimentation

Answer

distillation

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